{{/* Hugo Blox: Collection */}}
{{/* Documentation: https://hugoblox.com/blocks/ */}}
{{/* License: https://github.com/HugoBlox/kit/blob/main/LICENSE.md */}}

{{/* Initialise */}}
{{ $page := .wcPage }}
{{ $block := .wcBlock }}
{{ $content := $block.content }}
{{ if not (reflect.IsMap $content) }}{{ $content = dict }}{{ end }}
{{ $design := $block.design }}
{{ if not (reflect.IsMap $design) }}{{ $design = dict }}{{ end }}

{{ $view := "card" }}
{{ $view_raw := index $design "view" }}
{{ if eq (printf "%T" $view_raw) "string" }}
  {{ $view = lower (strings.TrimSpace $view_raw) }}
{{ end }}

{{ $items_offset := partial "functions/coerce_int" (dict "value" (index $content "offset") "default" 0 "min" 0) }}
{{ $items_count := partial "functions/coerce_int" (dict "value" (index $content "count") "default" 5 "min" 0) }}
{{ if eq $items_count 0 }}
  {{ $items_count = 65535 }}
{{ end }}

{{/* Query */}}
{{ $query := site.Pages }}
{{ $archive_page := "" }}

{{/* Filters */}}
{{ $filters := index $content "filters" }}
{{ if not (reflect.IsMap $filters) }}{{ $filters = dict }}{{ end }}

{{ $kinds := slice }}
{{ $kinds_raw := index $filters "kinds" }}
{{ if reflect.IsSlice $kinds_raw }}
  {{ range $kinds_raw }}
    {{ $kind := strings.TrimSpace (printf "%v" .) }}
    {{ if $kind }}
      {{ $kinds = $kinds | append $kind }}
    {{ end }}
  {{ end }}
{{ else if eq (printf "%T" $kinds_raw) "string" }}
  {{ $kind := strings.TrimSpace $kinds_raw }}
  {{ if $kind }}
    {{ $kinds = slice $kind }}
  {{ end }}
{{ end }}
{{ if eq (len $kinds) 0 }}
  {{ $kinds = slice "page" }}
{{ end }}
{{ $query = where $query "Kind" "in" $kinds }}

{{ $page_type := "" }}
{{ $page_type_raw := index $content "page_type" }}
{{ if eq (printf "%T" $page_type_raw) "string" }}
  {{ $page_type = strings.TrimSpace $page_type_raw }}
{{ end }}
{{ if $page_type }}
  {{ $query = where $query "Type" $page_type }}
  {{ $archive_page = site.GetPage "Section" $page_type }}
{{ end }}

{{ $folders_raw := index $filters "folders" }}
{{ $folders := slice }}
{{ if reflect.IsSlice $folders_raw }}
  {{ range $folders_raw }}
    {{ $folder := strings.TrimSpace (printf "%v" .) }}
    {{ if $folder }}
      {{ $folders = $folders | append $folder }}
    {{ end }}
  {{ end }}
{{ else if eq (printf "%T" $folders_raw) "string" }}
  {{ $folder := strings.TrimSpace $folders_raw }}
  {{ if $folder }}
    {{ $folders = slice $folder }}
  {{ end }}
{{ end }}
{{ if gt (len $folders) 0 }}
  {{ $query = where $query "Section" "in" $folders }}
  {{ $main_folder := strings.TrimSpace (printf "%v" (index $folders 0)) }}
  {{ if $main_folder }}
    {{ $archive_page = site.GetPage "Section" $main_folder }}
  {{ end }}
{{ end }}

{{ $tags_raw := index $filters "tags" }}
{{ $tags := slice }}
{{ if reflect.IsSlice $tags_raw }}
  {{ range $tags_raw }}
    {{ $tag := strings.TrimSpace (printf "%v" .) }}
    {{ if $tag }}
      {{ $tags = $tags | append $tag }}
    {{ end }}
  {{ end }}
{{ else if eq (printf "%T" $tags_raw) "string" }}
  {{ $tag := strings.TrimSpace $tags_raw }}
  {{ if $tag }}
    {{ $tags = slice $tag }}
  {{ end }}
{{ end }}
{{ if gt (len $tags) 0 }}
  {{ $selected := slice }}
  {{ range $tags }}
    {{ $tag_page := site.GetPage (printf "tags/%s" (urlize .)) }}
    {{ if $tag_page }}
      {{ $selected = $selected | union $tag_page.Pages }}
    {{ end }}
  {{ end }}
  {{ if gt (len $selected) 0 }}
    {{ $query = $query | intersect $selected }}
    {{ $first_tag := index $tags 0 }}
    {{ $archive_page = site.GetPage (printf "tags/%s" (urlize $first_tag)) }}
  {{ end }}
{{ end }}

{{ $tag := "" }}
{{ $tag_raw := index $filters "tag" }}
{{ if eq (printf "%T" $tag_raw) "string" }}
  {{ $tag = strings.TrimSpace $tag_raw }}
{{ end }}
{{ if $tag }}
  {{ with site.GetPage (printf "tags/%s" (urlize $tag)) }}
    {{ $archive_page = . }}
    {{ $query = $query | intersect .Pages }}
  {{ end }}
{{ end }}

{{ $category := "" }}
{{ $category_raw := index $filters "category" }}
{{ if eq (printf "%T" $category_raw) "string" }}
  {{ $category = strings.TrimSpace $category_raw }}
{{ end }}
{{ if $category }}
  {{ with site.GetPage (printf "categories/%s" (urlize $category)) }}
    {{ $archive_page = . }}
    {{ $query = $query | intersect .Pages }}
  {{ end }}
{{ end }}

{{ $publication_type := "" }}
{{ $publication_type_raw := index $filters "publication_type" }}
{{ if eq (printf "%T" $publication_type_raw) "string" }}
  {{ $publication_type = strings.TrimSpace $publication_type_raw }}
{{ end }}
{{ if $publication_type }}
  {{ with site.GetPage (printf "publication_types/%s" $publication_type) }}
    {{ $archive_page = . }}
    {{ $query = $query | intersect .Pages }}
  {{ end }}
{{ end }}

{{ $exclude_publication_type := "" }}
{{ $exclude_publication_type_raw := index $filters "exclude_publication_type" }}
{{ if eq (printf "%T" $exclude_publication_type_raw) "string" }}
  {{ $exclude_publication_type = strings.TrimSpace $exclude_publication_type_raw }}
{{ end }}
{{ if $exclude_publication_type }}
  {{ with site.GetPage (printf "publication_types/%s" $exclude_publication_type) }}
    {{ $query = $query | complement .Pages }}
  {{ end }}
{{ end }}

{{ $author_filter := "" }}
{{ $author_filter_raw := index $filters "author" }}
{{ if eq (printf "%T" $author_filter_raw) "string" }}
  {{ $author_filter = strings.TrimSpace $author_filter_raw }}
{{ end }}
{{ if $author_filter }}
  {{ with site.GetPage (printf "authors/%s" (urlize $author_filter)) }}
    {{ $archive_page = . }}
    {{ $query = $query | intersect .Pages }}
  {{ end }}
{{ end }}

{{ $featured_only := partial "functions/coerce_bool" (dict "value" (index $filters "featured_only") "default" false) }}
{{ if $featured_only }}
  {{ $query = where $query "Params.featured" "==" true }}
{{ end }}
{{ $exclude_featured := partial "functions/coerce_bool" (dict "value" (index $filters "exclude_featured") "default" false) }}
{{ if $exclude_featured }}
  {{ $query = where $query "Params.featured" "!=" true }}
{{ end }}
{{ $exclude_past := partial "functions/coerce_bool" (dict "value" (index $filters "exclude_past") "default" false) }}
{{ if $exclude_past }}
  {{/* Use event_end -> event_start -> Date to decide if an item is past */}}
  {{ $filtered := slice }}
  {{ range $query }}
    {{ $start := .Date }}
    {{ with .Params.event_start }}{{ $start = . }}{{ end }}
    {{ $end := $start }}
    {{ with .Params.event_end }}{{ $end = . }}{{ end }}
    {{ if ge $end now }}
      {{ $filtered = $filtered | append . }}
    {{ end }}
  {{ end }}
  {{ $query = $filtered }}
{{ end }}
{{ $exclude_future := partial "functions/coerce_bool" (dict "value" (index $filters "exclude_future") "default" false) }}
{{ if $exclude_future }}
  {{/* Use event_start -> Date to drop future/unscheduled items */}}
  {{ $filtered := slice }}
  {{ range $query }}
    {{ $start := .Date }}
    {{ with .Params.event_start }}{{ $start = . }}{{ end }}
    {{ if lt $start now }}
      {{ $filtered = $filtered | append . }}
    {{ end }}
  {{ end }}
  {{ $query = $filtered }}
{{ end }}

{{ $count := len $query }}

{{/* Sort */}}
{{ $sort_by := "Date" }}
{{ $sort_by_raw := index $content "sort_by" }}
{{ if eq (printf "%T" $sort_by_raw) "string" }}
  {{ $sort_by_raw = strings.TrimSpace $sort_by_raw }}
  {{ if ne $sort_by_raw "" }}
    {{ $sort_by = $sort_by_raw }}
  {{ end }}
{{ end }}
{{ $sort_by = partial "functions/get_sort_by_parameter" $sort_by }}
{{ $sort_ascending := false }}
{{ if isset $content "sort_ascending" }}
  {{ $sort_ascending = partial "functions/coerce_bool" (dict "value" (index $content "sort_ascending") "default" false) }}
{{ else }}
  {{ $order_raw := index $content "order" }}
  {{ if eq (printf "%T" $order_raw) "string" }}
    {{ if eq (lower (strings.TrimSpace $order_raw)) "asc" }}
      {{ $sort_ascending = true }}
    {{ end }}
  {{ end }}
{{ end }}
{{ $sort_order := cond $sort_ascending "asc" "desc" }}
{{ $query = sort $query $sort_by $sort_order }}

{{/* Offset and Limit */}}
{{ if gt $items_offset 0 }}
  {{ $query = first $items_count (after $items_offset $query) }}
{{ else }}
  {{ $query = first $items_count $query }}
{{ end }}

{{/* Check if any items have author_notes to enable Alpine.js */}}
{{ range $query }}
  {{ if isset .Params "author_notes" }}
    {{ $page.Store.Set "has_alpine" true }}
    {{ break }}
  {{ end }}
{{ end }}

{{ $columns := partial "functions/coerce_int" (dict "value" (index $design "columns") "default" 2 "min" 1 "max" 4) }}
{{ $title := "" }}
{{ with index $content "title" }}{{ $title = printf "%v" . | emojify | $page.RenderString }}{{ end }}
{{ $text := "" }}
{{ with index $content "text" }}{{ $text = printf "%v" . | emojify | $page.RenderString }}{{ end }}

{{ if $title }}
<div class="flex flex-col items-center max-w-prose mx-auto gap-3 justify-center px-6 md:px-0">

  <div class="mb-6 text-3xl font-bold text-gray-900 dark:text-white">
    {{ $title }}
  </div>

  {{ with $text }}<p>{{ . }}</p>{{ end }}
</div>
{{ end }}

<div class="flex flex-col items-center px-6">

  {{ $config := dict 
      "columns" $columns
      "len" (len $query) 
      "fill_image" (partial "functions/coerce_bool" (dict "value" (index $design "fill_image") "default" true))
      "show_date" (partial "functions/coerce_bool" (dict "value" (index $design "show_date") "default" true))
      "show_read_time" (partial "functions/coerce_bool" (dict "value" (index $design "show_read_time") "default" true))
      "show_read_more" (partial "functions/coerce_bool" (dict "value" (index $design "show_read_more") "default" true))
    }}
  {{ partial "functions/render_view" (dict "fragment" "start" "page" $block "item" . "view" $view "config" $config) }}

  {{ range $index, $item := $query }}
    {{ partial "functions/render_view" (dict "page" $block "item" . "view" $view "index" $index "config" $config) }}
  {{end}}

  {{ partial "functions/render_view" (dict "fragment" "end" "page" $block "item" . "view" $view) }}

</div>

{{/* Archive link */}}
{{ $archive := index $content "archive" }}
{{ if not (reflect.IsMap $archive) }}{{ $archive = dict }}{{ end }}
{{ $show_archive_link := gt $count $items_count }}
{{ if isset $archive "enable" }}
  {{ $show_archive_link = partial "functions/coerce_bool" (dict "value" (index $archive "enable") "default" false) }}
{{ end }}
{{ if $show_archive_link | and $archive_page }}

  {{ $archive_link := "" }}
  {{ $archive_link_raw := index $archive "link" }}
  {{ if eq (printf "%T" $archive_link_raw) "string" }}
    {{ $archive_link = strings.TrimSpace $archive_link_raw }}
  {{ end }}
  {{ if not $archive_link }}
    {{ $archive_link = $archive_page.RelPermalink }}
  {{ end }}
  {{ if $archive_link }}
    {{ $scheme := (urls.Parse $archive_link).Scheme }}
    {{ if not $scheme }}
      {{ if not (hasPrefix $archive_link "#") }}
        {{ $archive_link = $archive_link | relLangURL }}
      {{ end }}
    {{ end }}
  {{ end }}

  {{/* Localisation */}}
  {{ $items_type := $archive_page.Type }}
  {{ $i18n := "" }}
  {{ if eq $items_type "blog" }}
    {{ $i18n = "more_posts" }}
  {{ else if eq $items_type "events" }}
    {{ $i18n = "more_talks" }}
  {{ else if eq $items_type "publications" }}
    {{ $i18n = "more_publications" }}
  {{ else }}
    {{ $i18n = "more_pages" }}
  {{ end }}

  {{ $archive_text := "" }}
  {{ $archive_text_raw := index $archive "text" }}
  {{ if eq (printf "%T" $archive_text_raw) "string" }}
    {{ $archive_text = strings.TrimSpace $archive_text_raw }}
  {{ end }}
  {{ if not $archive_text }}
    {{ $archive_text = i18n $i18n | default "See all" }}
  {{ end }}

  <div class="container mx-auto max-w-screen-lg px-8 xl:px-5 pb-5 lg:pb-8">
    <div class="mt-10 flex justify-center">
      <a
        class="relative inline-flex items-center gap-1 rounded-md border border-gray-300 bg-white px-3 py-2 pl-4 text-sm font-medium text-gray-500 hover:bg-gray-50 focus:z-20 dark:border-gray-500 dark:bg-gray-800 dark:text-gray-300"
        href="{{ $archive_link | safeURL }}">
          <span>{{ $archive_text | emojify }}</span>
        </a>
      </div>
  </div>

{{ end }}